Use the graphical interface to determine (1) Difference between two particular dates; (2) When is a certain number of years, months, and days after a particular date; (3) What is the total amount of time and actual date that corresponds to a certain amount of time after a particular date compared to an earlier date; (4) When is a certain number of years, months, and days before a particular date; and (5) Display the day of the week corresponding to a given calendar date.

Digital Language

Use this app to translate a 100-character message into binary code. The result is a string of 1s and 0s that a computer could understand. Have fun with friends and relatives by sending them a text or email written solely in binary format.

Explains Illinois inheritance statutes so that you know who inherits your property (and whose property you will inherit) based on family relationship status. Included are scenarios for adoptions, civil unions, and children born out of wedlock.

Famous Inventions and Patents

Take a tour through 18 famous inventions (United States) that have transformed daily life.